Annual report pursuant to Section 13 and 15(d)

Credit Facilities (Details 1)

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Credit Facilities (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Debt Instrument [Line Items]    
Revolving line of credit $ 208,708 $ 255,750
PNC Bank [Member] | Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Maturity Date Apr. 03, 2023  
Revolving line of credit $ 208,708 255,750
Available credit $ 191,292 $ 144,250